Recent content by martinskibg

Homework Statement How many rice grains are needed for an electric charge of a certain strength (I don't remember the value now but is it really relevant?) to be equally distributed amongst them? Homework Equations I hope you can answer that :) The Attempt at a Solution I can...

Homework Statement http://www.freeimagehosting.net/uploads/3e00ce8695.gif Homework Equations Electric field equation derived from Coloumb's Law (given on the screenshot above). The Attempt at a Solution Solution is given in the form of answer sheet...